Ats-20 Radio Manual Link

Because the firmware is often open-source (based on Arduino/ESP32), many users update their devices to gain new features like or better SDR capabilities.

The internal amplifier can clip if the volume is maxed out. Lower the radio's system volume and use headphones to see if the distortion clears up.

USB Type-C or Micro-USB (depending on your specific hardware revision) Display: 0.96-inch OLED screen 2. Hardware and Layout Overview ats-20 radio manual

She frantically pressed buttons. The ATS-20 screen showed “AGC” and “ATT” and “BW” but she had no idea what they meant. Her phone was dead. No YouTube tutorials. No forums. Just her, the static, and the radio.

Identify your device's COM port in your computer's Device Manager. Because the firmware is often open-source (based on

Press repeatedly:

Many users recommend flashing the radio with advanced firmware to unlock better performance and features: PU2CLR Library USB Type-C or Micro-USB (depending on your specific

| Menu Item | Function | |-----------|----------| | | Tuning step (1/5/9/10 kHz for MW; 1/5 kHz for SW) | | FM STEP | FM step (50/100 kHz) | | FM DE | De-emphasis (50 µs for Europe, 75 µs for US) | | BEEP | Keypress beep on/off | | LCD BACKLIGHT | Backlight timeout (1–30 seconds / always on) | | BATTERY TYPE | Li-ion / NiMH (affects voltage display) |

Press the MODE button to cycle through FM, AM, USB, and LSB.